How to think in recursive way?

Question

In order to understand the advanced algorithm concepts like greedy methods and dynamic programming, one first need to be well versed in recursion.

I am relatively new to

Answer 1

Here is my simple test in Python:

def p(l, index):
    if index == len(l):
        return
    else:
        print l[index]
        index = index + 1
        p(l, index)

and call:

p("123456", 0)